Yes, but don't wait too long. I assume this couple are now separated.
Yes
Gerald Ford was the only person to become both Vice President and President without being elected to either office.
Yes. Jane Irwin Harrison was the daughter-in-law of William Harrison, who while married, had not brought his wife with him. Jane was First Lady in her mother-in-law's stead. When James Buchanan was President, he was the one and only bachelor President America has ever had. So his niece Harriet Lane was First Lady.
Ford
to get her pregnant without being married
Gerald Ford is the only person to have served as both vice president and president without ever being elected to either office.
Ford
Ghana honors traditional initiation rites and ceremonies for a couple getting married. Getting married without physically being in the wedding is not known to happen.
Gerald Ford
this is easy, NO
Gerald Ford